After a few years of daily use, the
battery in the key fob remote control for the keyless entry system
of a first generation (2010, 2011, 2012, 2013, 2014, 2015 & 2016)
GMC Terrain SUV can become weak or stop working entirely.

Check out my DIY instructions for the
procedure (with the replacement part number) by clicking on the text
link above or the thumbnail picture to the left.

If you need to change a burnt out map
light bulb in the overhead console of your 1st generation (2010,
2011, 2012, 2013, 2014, 2015 & 2016) General Motors GMC Terrain SUV
(or you'd like to upgrade both bulbs to brighter LED units), check
out my DIY tutorial for the procedure (with the replacement part
numbers) by clicking on the text link above or thumbnail image to
the left.

If you need to change a burnt out vanity
mirror light bulb in the sun visor of your GMC Terrain SUV (or you'd
like to upgrade both bulbs to brighter LED unit), check out my DIY
instructions for the procedure (with the replacement part numbers)
by clicking on the text link above or the thumbnail image to the
left.

If the air conditioning system in your
1st generation (2010, 2011, 2012, 2013, 2014, 2015 & 2016) GMC
Terrain hasn't been working well recently or the vents smell a bit
musty or moldy, you probably need to clean or change the cabin air
filter element in the HVAC blower motor housing.

Check out my DIY instructions for the
procedure (with the replacement part numbers) by clicking on the
text link above or the thumbnail image to the left.

If you need to change a burnt out
footwell or "foot well" light bulb on the passenger side of your GMC
Terrain located below the glove box, check out my DIY instructions
for the procedure (with the replacement part number) by clicking on
the text link above or the thumbnail image to the left.

If you need to change a burnt out cargo
area or "trunk" light bulb in your GMC Terrain, check out my DIY
tutorial for the procedure (with the replacement part numbers) by
clicking on the text link above or the thumbnail image to the left.

If you need to change a burnt out
license plate light bulb in the tailgate door of your GMC Terrain
(or you'd like to upgrade them both to brighter LED bulbs), check
out my DIY tutorial for the procedure (with the replacement part
numbers) by clicking on the text link above or the thumbnail picture
to the left.

The headlight assemblies of a first
generation GMC Terrain contain the low beam, high beam, front turn
signal and side marker light bulbs.

Check out my DIY tutorial for
changing any burnt out headlight bulb (with the replacement part
numbers) by clicking on the text link above or the thumbnail picture
over on the left side of this paragraph.

The best place to start when you are
troubleshooting an electrical problem with your GMC Terrain is to
check for a faulty or "blown" fuse or relay in either the engine bay
or interior passenger compartment electrical panels.

Take a look at my DIY instructions
for the procedure by clicking on the text link above or the
thumbnail image to the left.

The iridium
tipped OEM spark plugs in a 1st generation GMC Terrain with the LFX
3.6L V6 motor (2013, 2014, 2015 & 2016 model years) can last up to
100,000 miles. But they should be checked well before that mileage.

To view my DIY tutorial for checking
or changing the spark plugs (with the replacement part numbers)
click on the text link above or the thumbnail image to the left.